Nikolay Sivov : ole32: Fix IsEqual() for antimoniker.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 9a4959de4a4aeeacdd886a222b7f2db60b25f045
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=9a4959de4a4aeeacdd886a222b7f2db60b25f045

Author: Nikolay Sivov <nsivov at codeweavers.com>
Date:   Fri Jan 24 12:21:29 2020 +0300

ole32: Fix IsEqual() for antimoniker.

Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/ole32/antimoniker.c   | 28 +++++++++++++++++-----------
 dlls/ole32/tests/moniker.c |  5 -----
 2 files changed, 17 insertions(+), 16 deletions(-)

diff --git a/dlls/ole32/antimoniker.c b/dlls/ole32/antimoniker.c
index bff6500fa5..9b02129021 100644
--- a/dlls/ole32/antimoniker.c
+++ b/dlls/ole32/antimoniker.c
@@ -53,6 +53,7 @@ static inline AntiMonikerImpl *impl_from_IROTData(IROTData *iface)
     return CONTAINING_RECORD(iface, AntiMonikerImpl, IROTData_iface);
 }
 
+static AntiMonikerImpl *unsafe_impl_from_IMoniker(IMoniker *iface);
 
 /*******************************************************************************
  *        AntiMoniker_QueryInterface
@@ -308,22 +309,20 @@ AntiMonikerImpl_Enum(IMoniker* iface,BOOL fForward, IEnumMoniker** ppenumMoniker
 /******************************************************************************
  *        AntiMoniker_IsEqual
  ******************************************************************************/
-static HRESULT WINAPI
-AntiMonikerImpl_IsEqual(IMoniker* iface,IMoniker* pmkOtherMoniker)
+static HRESULT WINAPI AntiMonikerImpl_IsEqual(IMoniker *iface, IMoniker *other)
 {
-    DWORD mkSys;
-
-    TRACE("(%p,%p)\n",iface,pmkOtherMoniker);
+    AntiMonikerImpl *moniker = impl_from_IMoniker(iface), *other_moniker;
 
-    if (pmkOtherMoniker==NULL)
-        return S_FALSE;
+    TRACE("%p, %p.\n", iface, other);
 
-    IMoniker_IsSystemMoniker(pmkOtherMoniker,&mkSys);
+    if (!other)
+        return E_INVALIDARG;
 
-    if (mkSys==MKSYS_ANTIMONIKER)
-        return S_OK;
-    else
+    other_moniker = unsafe_impl_from_IMoniker(other);
+    if (!other_moniker)
         return S_FALSE;
+
+    return moniker->count == other_moniker->count ? S_OK : S_FALSE;
 }
 
 /******************************************************************************
@@ -588,6 +587,13 @@ static const IMonikerVtbl VT_AntiMonikerImpl =
     AntiMonikerImpl_IsSystemMoniker
 };
 
+static AntiMonikerImpl *unsafe_impl_from_IMoniker(IMoniker *iface)
+{
+    if (iface->lpVtbl != &VT_AntiMonikerImpl)
+        return NULL;
+    return CONTAINING_RECORD(iface, AntiMonikerImpl, IMoniker_iface);
+}
+
 /********************************************************************************/
 /* Virtual function table for the IROTData class.                               */
 static const IROTDataVtbl VT_ROTDataImpl =
diff --git a/dlls/ole32/tests/moniker.c b/dlls/ole32/tests/moniker.c
index dff6cbbe57..65cd279b1a 100644
--- a/dlls/ole32/tests/moniker.c
+++ b/dlls/ole32/tests/moniker.c
@@ -2331,11 +2331,9 @@ todo_wine
     ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
 
     hr = IMoniker_IsEqual(moniker, moniker2);
-todo_wine
     ok(hr == S_FALSE, "Unexpected hr %#x.\n", hr);
 
     hr = IMoniker_IsEqual(moniker2, moniker);
-todo_wine
     ok(hr == S_FALSE, "Unexpected hr %#x.\n", hr);
 
     hr = IMoniker_Hash(moniker, &hash);
@@ -2374,11 +2372,9 @@ todo_wine
     ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
 
     hr = IMoniker_IsEqual(moniker, moniker2);
-todo_wine
     ok(hr == S_FALSE, "Unexpected hr %#x.\n", hr);
 
     hr = IMoniker_IsEqual(moniker2, moniker);
-todo_wine
     ok(hr == S_FALSE, "Unexpected hr %#x.\n", hr);
 
     hr = IMoniker_Hash(moniker, &hash);
@@ -2403,7 +2399,6 @@ todo_wine
     ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
 
     hr = IMoniker_IsEqual(moniker, NULL);
-todo_wine
     ok(hr == E_INVALIDARG, "Unexpected hr %#x.\n", hr);
 
     IStream_Release(stream);